JSP Spring中Druid连接池配置详解

url=jdbc:postgresql://***.***.***.***:****/****username=***password=***

<!-- 阿里 druid 数据库连接池 -->  <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">    <!-- 基本属性 url、user、password -->   <property name="url" value="${url}" />   <property name="username" value="${username}" />   <property name="password" value="${password}" />   <!-- 配置初始化大小、最小、最大 -->   <property name="initialSize" value="1" />   <property name="minIdle" value="1" />    <property name="maxActive" value="20" />   <!-- 配置获取连接等待超时的时间 -->   <property name="maxWait" value="60000" />   <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->   <property name="timeBetweenEvictionRunsMillis" value="60000" />   <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->   <property name="minEvictableIdleTimeMillis" value="300000" />   <property name="validationQuery" value="SELECT 'x'" />   <property name="testWhileIdle" value="true" />   <property name="testOnBorrow" value="false" />   <property name="testOnReturn" value="false" />   <!-- 打开PSCache，并且指定每个连接上PSCache的大小 -->   <property name="poolPreparedStatements" value="true" />   <property name="maxPoolPreparedStatementPerConnectionSize" value="20" />   <!-- 配置监控统计拦截的filters，去掉后监控界面sql无法统计 -->   <property name="filters" value="stat" />  </bean> 

<filter>    <filter-name>DruidWebStatFilter</filter-name>    <filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class>    <init-param>      <param-name>exclusions</param-name>      <param-value>*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*</param-value>    </init-param>  </filter>  <filter-mapping>    <filter-name>DruidWebStatFilter</filter-name>    <url-pattern>/*</url-pattern>  </filter-mapping>  <servlet>    <servlet-name>DruidStatView</servlet-name>    <servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>  </servlet>  <servlet-mapping>    <servlet-name>DruidStatView</servlet-name>    <url-pattern>/druid/*</url-pattern>  </servlet-mapping>